Which Feature Is Believed to Have Been the First Step

question 46

Multiple Choice

Which feature is believed to have been the first step in the evolution of land plants from the green algae?

• A) protection of the embryo
• B) evolution of vascular tissue
• C) evolution of microphylls
• D) evolution of seeds
• E) evolution of flowers in order to attract pollinators It is believed that the evolution of protection for the embryo was the first step required for the evolution of land-based plants. Without an embryo that could survive on land, the rest of the features would have been useless.

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Definitions:

Subcutaneous Injection

A method of administering medication under the skin, into the tissue layer between the skin and the muscle.

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A metric unit of volume equal to one thousandth of a liter, often used in measuring liquids in medical and scientific contexts.

Intravenous (IV) Medication

Drugs that are administered directly into a vein through an IV line for rapid absorption and effect in the body.